Multiple choice

From 8 people, in how many ways can a committee of 3 be formed

  1. 52

  2. 54

  3. 56

  4. 58

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The number of ways to choose 3 people from 8 is given by the combination formula 8C3 = (8 * 7 * 6) / (3 * 2 * 1) = 56.

AI explanation

To form a committee of 3 from 8 people, we use the combination formula nCr = n! / (r!(n-r)!). Substituting n = 8 and r = 3 gives 8! / (3! * 5!) = (8 * 7 * 6) / (3 * 2 * 1) = 56. The number of ways is 56.